@article{oliveira_boccolini_faerstein_verly-jr_2017,  title={Breastfeeding duration and associated factors between 1960 and 2000☆, ☆☆},  volume={93},  ISSN={0021-7557},  url={https://doi.org/10.1016/j.jped.2016.05.005},  DOI={10.1016/j.jped.2016.05.005},  number={2},  journal={Jornal de Pediatria},  publisher={Sociedade Brasileira de Pediatria},  author={Oliveira, Danielle Soares de and Boccolini, Cristiano S. and Faerstein, Eduardo and Verly-Jr, Eliseu},  year={2017},  month={Mar},  pages={130–135} }